This pwm motor controller is using the fact that the small dc motor has the revolution speed depending on the power supply voltage. In this circuit the discharge time can be adjusted between 0.2ms and ...

The required switching sequence in one PWM period to provide 30% bus voltage is 70% short circuit to low and 30% driving. In Scheme Zero, only high-side switches modulate.

The back EMF, along with the RL circuit in a brushed DC motor, brings non-linearity to the PWM control and the PWM frequency and PWM duty cycle become significant for getting the best output power.

In order to increase the efficiency of the PWM inverter, the electronic circuit is highly sophisticated with battery charge sensor, AC mains sensor, Soft start facility, output control etc. The PWM ...

Toshiba has expanded its family of three-phase brushless motor driver ICs which integrate motor speed control, sine wave PWM output, real-time automatic lead angle correction, and gate driver ...